top of white mushrooms growing in sawdust

agaricomycetes are autumn basidiomycota big bloom board boards brown cap caps close closeup concave curling dust edge edges exposing flowers food fresh full fungi fungus gill gills green growing initially lamella lamellae large matures mushroom mushrooms natural nature open pale pieces pileus plant rotten rotting round saw sawdust scallop scalloped season shape smooth split spring stem stipe their then top tree vegetable view white wild wood coprinellus micaceus psathyrellaceae agaricales edible mica shiny glistening inky tawnybrown organic